donnellhusband donnellhusband
  • 29-09-2016
  • Mathematics
contestada

f a number n is subtracted from 18, the result is four less than n. What is the value of n?

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texaschic101
texaschic101 texaschic101
  • 29-09-2016
18 - n = n - 4
18 + 4 = n + n
22 = 2n
22/2 = n
11 = n <==
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libbyloo libbyloo
  • 29-09-2016
you could use the equation 18-n=n-4 to figure out that n equals 11


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